HUMIDITY CONTROL MODULE, BATTERY MODULE, BATTERY BOX AND ELECTRICAL APPARATUS
A humidity control module includes a humidity control layer configured to absorb or release water vapor, a first gas-permeable layer arranged in a stacked manner on a surface of the humidity control layer and capable of allowing passage of water vapor and preventing passage of liquid water, a second gas-permeable layer arranged in a stacked manner on a surface of the first gas-permeable layer facing away from the humidity control layer and capable of allowing passage of water vapor and liquid water, and a fixing layer arranged on a side of the humidity control layer facing away from the first gas-permeable layer and configured to fix the humidity control layer, the first gas-permeable layer, and the second gas-permeable layer to a carrier.
1 . A humidity control module, comprising:
a humidity control layer configured to absorb or release water vapor;
a first gas-permeable layer arranged in a stacked manner on a surface of the humidity control layer, the first gas-permeable layer being capable of allowing passage of water vapor and preventing passage of liquid water;
a second gas-permeable layer arranged in a stacked manner on a surface of the first gas-permeable layer facing away from the humidity control layer, the second gas-permeable layer being capable of allowing passage of water vapor and liquid water; and
a fixing layer arranged on a side of the humidity control layer facing away from the first gas-permeable layer, and configured to fix the humidity control layer, the first gas-permeable layer, and the second gas-permeable layer to a carrier.
2 . The humidity control module according to claim 1 , further comprising:
an insulating isolation layer arranged in a stacked manner between the humidity control layer and the fixing layer, the insulating isolation layer being configured to prevent passage of water vapor;
wherein the fixing layer is configured to fix the insulating isolation layer, the humidity control layer, the first gas-permeable layer, and the second gas-permeable layer to the carrier.
3 . The humidity control module according to claim 2 , wherein a perpendicular projection of the insulating isolation layer on a plane where the humidity control layer is located covers the humidity control layer.
4 . The humidity control module according to claim 2 , wherein the insulating isolation layer includes an aluminum-plastic film layer.
5 . The humidity control module according to claim 1 , wherein the first gas-permeable layer and the fixing layer are connected as a whole through a hemming process, and the humidity control layer is arranged in a receiving space enclosed by the first gas-permeable layer and the fixing layer.
6 . The humidity control module according to claim 1 , wherein a perpendicular projection of the first gas-permeable layer on a plane where the humidity control layer is located covers the humidity control layer.
7 . The humidity control module according to claim 6 , wherein a perpendicular projection of the first gas-permeable layer on a plane where the second gas-permeable layer is located covers the second gas-permeable layer.
8 . The humidity control module according to claim 1 , wherein the first gas-permeable layer includes one of a non-woven fabric film or an expanded polytetrafluoroethylene film.
9 . A battery module, comprising:
a battery module body; and
the humidity control module according to claim 1 and arranged at an outer surface of the battery module body.
10 . An electrical apparatus, comprising the battery module of claim 9 .
11 . A battery box, comprising:
a box body;
a battery module arranged inside the box body; and
the humidity control module according to claim 1 and arranged at an inner wall of the box body and/or an outer surface of the battery module.
12 . An electrical apparatus, comprising the battery box of claim 11 .